WTJP31 RJTD 112100 WARNING 112100. WARNING VALID 122100. TYPHOON WARNING. TYPHOON 1822 MANGKHUT (1822) 905 HPA AT 13.9N 136.7E SEA EAST OF PHILIPPINES MOVING WEST 12 KNOTS. POSITION GOOD. MAX WINDS 110 KNOTS NEAR CENTER. RADIUS OF OVER 50 KNOT WINDS 120 MILES. RADIUS OF OVER 30 KNOT WINDS 240 MILES. FORECAST POSITION FOR 120900UTC AT 14.3N 134.4E WITH 40 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 905 HPA, MAX WINDS 110 KNOTS NEAR CENTER. FORECAST POSITION FOR 122100UTC AT 14.8N 132.0E WITH 60 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 905 HPA, MAX WINDS 110 KNOTS NEAR CENTER. JAPAN METEOROLOGICAL AGENCY.=